git.maemo.org Git - modest/blob - src/widgets/modest-recpt-editor.c

   1 /* Copyright (c) 2007, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <config.h>
  31
  32 #include <glib/gi18n-lib.h>
  33
  34 #include <gtk/gtkscrolledwindow.h>
  35 #include <gtk/gtktextview.h>
  36 #include <gtk/gtkimage.h>
  37 #include <gtk/gtkbutton.h>
  38
  39 #include <modest-text-utils.h>
  40 #include <modest-recpt-editor.h>
  41 #include <modest-scroll-text.h>
  42 #include <pango/pango-attributes.h>
  43 #include <string.h>
  44 #include <gdk/gdkkeysyms.h>
  45 #include <gtk/gtk.h>
  46
  47 /* FIXNE: we should have no maemo-deps in widgets/ */
  48 #ifndef MODEST_TOOLKIT_GTK
  49 #include "modest-hildon-includes.h"
  50 #endif /*!MODEST_TOOLKIT_GTK*/
  51
  52 #define RECPT_BUTTON_WIDTH_HILDON2 118
  53
  54
  55 static GObjectClass *parent_class = NULL;
  56
  57 #define RECIPIENT_TAG_ID "recpt-id"
  58
  59 /* signals */
  60 enum {
  61         OPEN_ADDRESSBOOK_SIGNAL,
  62         LAST_SIGNAL
  63 };
  64
  65 typedef struct _ModestRecptEditorPrivate ModestRecptEditorPrivate;
  66
  67 struct _ModestRecptEditorPrivate
  68 {
  69         GtkWidget *text_view;
  70         GtkWidget *abook_button;
  71         GtkWidget *scrolled_window;
  72         gchar *recipients;
  73
  74 };
  75
  76 #define MODEST_RECPT_EDITOR_GET_PRIVATE(o)      \
  77         (G_TYPE_INSTANCE_GET_PRIVATE ((o), MODEST_TYPE_RECPT_EDITOR, ModestRecptEditorPrivate))
  78
  79 static guint signals[LAST_SIGNAL] = {0};
  80
  81 /* static functions: GObject */
  82 static void modest_recpt_editor_instance_init (GTypeInstance *instance, gpointer g_class);
  83 static void modest_recpt_editor_finalize (GObject *object);
  84 static void modest_recpt_editor_class_init (ModestRecptEditorClass *klass);
  85
  86 /* widget events */
  87 static void modest_recpt_editor_on_abook_clicked (GtkButton *button,
  88                                                   ModestRecptEditor *editor);
  89 static gboolean modest_recpt_editor_on_button_release_event (GtkWidget *widget,
  90                                                              GdkEventButton *event,
  91                                                              ModestRecptEditor *editor);
  92 static void modest_recpt_editor_move_cursor_to_end (ModestRecptEditor *editor);
  93 static gboolean modest_recpt_editor_on_focus_in (GtkTextView *text_view,
  94                                              GdkEventFocus *event,
  95                                              ModestRecptEditor *editor);
  96 static void modest_recpt_editor_on_insert_text (GtkTextBuffer *buffer,
  97                                                 GtkTextIter *location,
  98                                                 gchar *text,
  99                                                 gint len,
 100                                                 ModestRecptEditor *editor);
 101 static gboolean modest_recpt_editor_on_key_press_event (GtkTextView *text_view,
 102                                                           GdkEventKey *key,
 103                                                           ModestRecptEditor *editor);
 104 static GtkTextTag *iter_has_recipient (GtkTextIter *iter);
 105 static gunichar iter_previous_char (GtkTextIter *iter);
 106 /* static gunichar iter_next_char (GtkTextIter *iter); */
 107 static GtkTextTag *prev_iter_has_recipient (GtkTextIter *iter);
 108 /* static GtkTextTag *next_iter_has_recipient (GtkTextIter *iter); */
 109 static void select_tag_of_iter (GtkTextIter *iter, GtkTextTag *tag);
 110 static gboolean quote_opened (GtkTextIter *iter);
 111 static gboolean is_valid_insert (const gchar *text, gint len);
 112 static gchar *create_valid_text (const gchar *text, gint len);
 113
 114 /**
 115  * modest_recpt_editor_new:
 116  *
 117  * Return value: a new #ModestRecptEditor instance implemented for Gtk+
 118  **/
 119 GtkWidget*
 120 modest_recpt_editor_new (void)
 121 {
 122         ModestRecptEditor *self = g_object_new (MODEST_TYPE_RECPT_EDITOR,
 123                                                 "homogeneous", FALSE,
 124                                                 "spacing", 1,
 125                                                 NULL);
 126
 127         return GTK_WIDGET (self);
 128 }
 129
 130 void
 131 modest_recpt_editor_set_recipients (ModestRecptEditor *recpt_editor, const gchar *recipients)
 132 {
 133         ModestRecptEditorPrivate *priv;
 134         GtkTextBuffer *buffer = NULL;
 135         gchar *valid_recipients = NULL;
 136
 137         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 138         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 139
 140 #ifdef MODEST_TOOLKIT_HILDON2
 141         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 142 #else
 143         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 144 #endif
 145
 146         valid_recipients = create_valid_text (recipients, -1);
 147         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 148         gtk_text_buffer_set_text (buffer, valid_recipients, -1);
 149         g_free (valid_recipients);
 150         if (GTK_WIDGET_REALIZED (recpt_editor))
 151                 gtk_widget_queue_resize (GTK_WIDGET (recpt_editor));
 152         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 153
 154 }
 155
 156 void
 157 modest_recpt_editor_add_recipients (ModestRecptEditor *recpt_editor, const gchar *recipients)
 158 {
 159         ModestRecptEditorPrivate *priv;
 160         GtkTextBuffer *buffer = NULL;
 161         GtkTextIter iter;
 162         gchar *string_to_add;
 163
 164         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 165         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 166
 167         if (recipients == NULL)
 168                 return;
 169
 170 #ifdef MODEST_TOOLKIT_HILDON2
 171         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 172 #else
 173         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 174 #endif
 175
 176         if (gtk_text_buffer_get_char_count (buffer) > 0) {
 177                 string_to_add = g_strconcat (";\n", recipients, NULL);
 178         } else {
 179                 string_to_add = g_strdup (recipients);
 180         }
 181
 182         gtk_text_buffer_get_end_iter (buffer, &iter);
 183
 184         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 185
 186         gtk_text_buffer_insert (buffer, &iter, string_to_add, -1);
 187
 188         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 189
 190         if (GTK_WIDGET_REALIZED (recpt_editor))
 191                 gtk_widget_queue_resize (GTK_WIDGET (recpt_editor));
 192
 193         g_free (string_to_add);
 194 }
 195
 196 void
 197 modest_recpt_editor_add_resolved_recipient (ModestRecptEditor *recpt_editor, GSList *email_list, const gchar * recipient_id)
 198 {
 199         ModestRecptEditorPrivate *priv;
 200         GtkTextBuffer *buffer = NULL;
 201         GtkTextIter start, end, iter;
 202         GtkTextTag *tag = NULL;
 203         GSList *node;
 204         gboolean is_first_recipient = TRUE;
 205
 206         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 207         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 208
 209 #ifdef MODEST_TOOLKIT_HILDON2
 210         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 211 #else
 212         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 213 #endif
 214
 215         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 216         gtk_text_buffer_get_bounds (buffer, &start, &end);
 217         if (gtk_text_buffer_get_char_count (buffer) > 0) {
 218                 gchar * buffer_contents;
 219
 220                 gtk_text_buffer_get_bounds (buffer, &start, &end);
 221                 buffer_contents = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 222                 if (!g_str_has_suffix (buffer_contents, "\n")) {
 223                         if (g_str_has_suffix (buffer_contents, ";")||(g_str_has_suffix (buffer_contents, ",")))
 224                                 gtk_text_buffer_insert (buffer, &end, "\n", -1);
 225                         else
 226                                 gtk_text_buffer_insert (buffer, &end, ";\n", -1);
 227                 }
 228                 g_free (buffer_contents);
 229         }
 230
 231         gtk_text_buffer_get_end_iter (buffer, &iter);
 232
 233         tag = gtk_text_buffer_create_tag (buffer, NULL,
 234                                           "underline", PANGO_UNDERLINE_SINGLE,
 235                                           "wrap-mode", GTK_WRAP_NONE,
 236                                           "editable", TRUE, NULL);
 237
 238         g_object_set_data (G_OBJECT (tag), "recipient-tag-id", GINT_TO_POINTER (RECIPIENT_TAG_ID));
 239         g_object_set_data_full (G_OBJECT (tag), "recipient-id", g_strdup (recipient_id), (GDestroyNotify) g_free);
 240
 241         for (node = email_list; node != NULL; node = g_slist_next (node)) {
 242                 gchar *recipient = (gchar *) node->data;
 243
 244                 if ((recipient) && (strlen (recipient) != 0)) {
 245
 246                         if (!is_first_recipient)
 247                         gtk_text_buffer_insert (buffer, &iter, "\n", -1);
 248
 249                         gtk_text_buffer_insert_with_tags (buffer, &iter, recipient, -1, tag, NULL);
 250                         gtk_text_buffer_insert (buffer, &iter, ";", -1);
 251                         is_first_recipient = FALSE;
 252                 }
 253         }
 254         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 255
 256         modest_recpt_editor_move_cursor_to_end (recpt_editor);
 257
 258 }
 259
 260 void
 261 modest_recpt_editor_replace_with_resolved_recipient (ModestRecptEditor *recpt_editor,
 262                                                      GtkTextIter *start, GtkTextIter *end,
 263                                                      GSList *email_list, const gchar * recipient_id)
 264 {
 265         ModestRecptEditorPrivate *priv;
 266         GtkTextBuffer *buffer;
 267         GtkTextTag *tag;
 268         GSList *node;
 269         gboolean is_first_recipient = TRUE;
 270
 271         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 272         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 273
 274 #ifdef MODEST_TOOLKIT_HILDON2
 275         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 276 #else
 277         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 278 #endif
 279         g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 280
 281         gtk_text_buffer_delete (buffer, start, end);
 282
 283         if (email_list) {
 284
 285                 tag = gtk_text_buffer_create_tag (buffer, NULL,
 286                                                   "underline", PANGO_UNDERLINE_SINGLE,
 287                                                   "wrap-mode", GTK_WRAP_NONE,
 288                                                   "editable", TRUE, NULL);
 289
 290                 g_object_set_data (G_OBJECT (tag), "recipient-tag-id", GINT_TO_POINTER (RECIPIENT_TAG_ID));
 291                 g_object_set_data_full (G_OBJECT (tag), "recipient-id", g_strdup (recipient_id), (GDestroyNotify) g_free);
 292
 293                 for (node = email_list; node != NULL; node = g_slist_next (node)) {
 294                         gchar *recipient = (gchar *) node->data;
 295
 296                         if ((recipient) && (strlen (recipient) != 0)) {
 297
 298                                 if (!is_first_recipient)
 299                                         gtk_text_buffer_insert (buffer, start, "\n", -1);
 300
 301                                 gtk_text_buffer_insert_with_tags (buffer, start, recipient, -1, tag, NULL);
 302
 303                                 if (node->next != NULL)
 304                                         gtk_text_buffer_insert (buffer, start, ";", -1);
 305                                 is_first_recipient = FALSE;
 306                         }
 307                 }
 308         }
 309         g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, recpt_editor);
 310
 311 }
 312
 313
 314 const gchar *
 315 modest_recpt_editor_get_recipients (ModestRecptEditor *recpt_editor)
 316 {
 317         ModestRecptEditorPrivate *priv;
 318         GtkTextBuffer *buffer = NULL;
 319         GtkTextIter start, end;
 320         gchar *c;
 321
 322         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), NULL);
 323         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 324
 325         if (priv->recipients != NULL) {
 326                 g_free (priv->recipients);
 327                 priv->recipients = NULL;
 328         }
 329
 330 #ifdef MODEST_TOOKIT_HILDON2
 331         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 332 #else
 333         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 334 #endif
 335
 336         gtk_text_buffer_get_start_iter (buffer, &start);
 337         gtk_text_buffer_get_end_iter (buffer, &end);
 338
 339         priv->recipients = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
 340         for (c = priv->recipients; *c != '\0'; c = g_utf8_next_char (c)) {
 341                 if (*c == '\n') {
 342                         *c = ' ';
 343                 }
 344         }
 345
 346         return priv->recipients;
 347
 348 }
 349
 350 static void
 351 modest_recpt_editor_instance_init (GTypeInstance *instance, gpointer g_class)
 352 {
 353         ModestRecptEditorPrivate *priv;
 354         GtkWidget *abook_icon;
 355         GtkTextBuffer *buffer;
 356
 357         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (instance);
 358
 359         priv->abook_button = gtk_button_new ();
 360 #ifdef MODEST_TOOLKIT_HILDON2
 361         gtk_widget_set_size_request (priv->abook_button, RECPT_BUTTON_WIDTH_HILDON2, -1);
 362 #else
 363         gtk_button_set_relief (GTK_BUTTON (priv->abook_button), GTK_RELIEF_NONE);
 364 #endif
 365         gtk_button_set_focus_on_click (GTK_BUTTON (priv->abook_button), FALSE);
 366         GTK_WIDGET_UNSET_FLAGS (priv->abook_button, GTK_CAN_FOCUS);
 367         gtk_button_set_alignment (GTK_BUTTON (priv->abook_button), 0.5, 0.5);
 368 #ifdef MODEST_TOOLKIT_HILDON2
 369         abook_icon = gtk_image_new_from_icon_name ("general_contacts", HILDON_ICON_SIZE_FINGER);
 370 #else
 371         abook_icon = gtk_image_new_from_icon_name ("qgn_list_addressbook", GTK_ICON_SIZE_BUTTON);
 372 #endif
 373         gtk_container_add (GTK_CONTAINER (priv->abook_button), abook_icon);
 374
 375 #ifdef MODEST_TOOLKIT_HILDON2
 376         priv->text_view = hildon_text_view_new ();
 377 #else
 378         priv->text_view = gtk_text_view_new ();
 379 #endif
 380         /* Auto-capitalization is the default, so let's turn it off: */
 381 #ifdef MAEMO_CHANGES
 382         hildon_gtk_text_view_set_input_mode (GTK_TEXT_VIEW (priv->text_view),
 383                 HILDON_GTK_INPUT_MODE_FULL);
 384 #endif
 385
 386         priv->recipients = NULL;
 387
 388 #ifdef MODEST_TOOLKIT_HILDON2
 389         priv->scrolled_window = NULL;
 390         gtk_box_pack_start (GTK_BOX (instance), priv->text_view, TRUE, TRUE, 0);
 391 #else
 392         priv->scrolled_window = modest_scroll_text_new (GTK_TEXT_VIEW (priv->text_view), 1024);
 393         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window), GTK_POLICY_NEVER,
 394                                         GTK_POLICY_AUTOMATIC);
 395         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->scrolled_window), GTK_SHADOW_IN);
 396 /*      gtk_container_add (GTK_CONTAINER (priv->scrolled_window), priv->text_view); */
 397
 398         gtk_box_pack_start (GTK_BOX (instance), priv->scrolled_window, TRUE, TRUE, 0);
 399 /*      gtk_box_pack_start (GTK_BOX (instance), priv->text_view, TRUE, TRUE, 0); */
 400 #endif
 401         gtk_box_pack_end (GTK_BOX (instance), priv->abook_button, FALSE, FALSE, 0);
 402
 403         gtk_text_view_set_accepts_tab (GTK_TEXT_VIEW (priv->text_view), FALSE);
 404         gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (priv->text_view), TRUE);
 405         gtk_text_view_set_editable (GTK_TEXT_VIEW (priv->text_view), TRUE);
 406
 407         gtk_text_view_set_justification (GTK_TEXT_VIEW (priv->text_view), GTK_JUSTIFY_LEFT);
 408         gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (priv->text_view), GTK_WRAP_CHAR);
 409
 410         gtk_widget_set_size_request (priv->text_view, 75, -1);
 411
 412 #ifdef MODEST_TOOLKIT_HILDON2
 413         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 414 #else
 415         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 416 #endif
 417         g_signal_connect (G_OBJECT (priv->abook_button), "clicked", G_CALLBACK (modest_recpt_editor_on_abook_clicked), instance);
 418         g_signal_connect (G_OBJECT (priv->text_view), "button-release-event", G_CALLBACK (modest_recpt_editor_on_button_release_event), instance);
 419         g_signal_connect (G_OBJECT (priv->text_view), "key-press-event", G_CALLBACK (modest_recpt_editor_on_key_press_event), instance);
 420         g_signal_connect (G_OBJECT (priv->text_view), "focus-in-event", G_CALLBACK (modest_recpt_editor_on_focus_in), instance);
 421         g_signal_connect (G_OBJECT (buffer), "insert-text", G_CALLBACK (modest_recpt_editor_on_insert_text), instance);
 422
 423 /*      gtk_container_set_focus_child (GTK_CONTAINER (instance), priv->text_view); */
 424
 425         return;
 426 }
 427
 428 void
 429 modest_recpt_editor_set_field_size_group (ModestRecptEditor *recpt_editor, GtkSizeGroup *size_group)
 430 {
 431         ModestRecptEditorPrivate *priv;
 432
 433         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 434         g_return_if_fail (GTK_IS_SIZE_GROUP (size_group));
 435         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 436
 437 #ifdef MODEST_TOOLKIT_HILDON2
 438         gtk_size_group_add_widget (size_group, priv->text_view);
 439 #else
 440         gtk_size_group_add_widget (size_group, priv->scrolled_window);
 441 #endif
 442 }
 443
 444 GtkTextBuffer *
 445 modest_recpt_editor_get_buffer (ModestRecptEditor *recpt_editor)
 446 {
 447         ModestRecptEditorPrivate *priv;
 448
 449         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), NULL);
 450         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 451
 452 #ifdef MODEST_TOOLKIT_HILDON2
 453         return hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 454 #else
 455         return gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 456 #endif
 457 }
 458
 459 static void
 460 modest_recpt_editor_on_abook_clicked (GtkButton *button, ModestRecptEditor *editor)
 461 {
 462         g_return_if_fail (MODEST_IS_RECPT_EDITOR (editor));
 463
 464         g_signal_emit_by_name (G_OBJECT (editor), "open-addressbook");
 465 }
 466
 467 static gboolean
 468 modest_recpt_editor_on_button_release_event (GtkWidget *widget,
 469                                              GdkEventButton *event,
 470                                              ModestRecptEditor *recpt_editor)
 471 {
 472         ModestRecptEditorPrivate *priv;
 473         GtkTextIter location, start, end;
 474         GtkTextMark *mark;
 475         GtkTextBuffer *buffer;
 476         GtkTextTag *tag;
 477         gboolean selection_changed = FALSE;
 478
 479         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 480
 481         buffer = modest_recpt_editor_get_buffer (recpt_editor);
 482         mark = gtk_text_buffer_get_insert (buffer);
 483         gtk_text_buffer_get_iter_at_mark (buffer, &location, mark);
 484
 485         gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
 486
 487         tag = iter_has_recipient (&start);
 488         if (tag != NULL)
 489                 if (!gtk_text_iter_begins_tag (&start, tag)) {
 490                         gtk_text_iter_backward_to_tag_toggle (&start, tag);
 491                         selection_changed = TRUE;
 492                 }
 493
 494         tag = iter_has_recipient (&end);
 495         if (tag != NULL)
 496                 if (!gtk_text_iter_ends_tag (&end, tag)) {
 497                         gtk_text_iter_forward_to_tag_toggle (&end, tag);
 498                         selection_changed = TRUE;
 499                 }
 500
 501         if (selection_changed) {
 502                 gtk_text_buffer_select_range (buffer, &start, &end);
 503         } else {
 504                 GTK_TEXT_VIEW (priv->text_view)->pending_place_cursor_button = 0;
 505         }
 506
 507         return FALSE;
 508 }
 509
 510 static gboolean
 511 modest_recpt_editor_on_focus_in (GtkTextView *text_view,
 512                                  GdkEventFocus *event,
 513                                  ModestRecptEditor *editor)
 514 {
 515         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 516         gtk_text_view_place_cursor_onscreen (GTK_TEXT_VIEW (priv->text_view));
 517
 518         return FALSE;
 519 }
 520
 521 static gboolean
 522 is_valid_insert (const gchar *text, gint len)
 523 {
 524         gunichar c;
 525         gunichar next_c;
 526         gint i= 0;
 527         gboolean quoted = FALSE;
 528         const gchar *current, *next_current;
 529         if (text == NULL)
 530                 return TRUE;
 531         current = text;
 532
 533         while (((len == -1)||(i < len)) && (*current != '\0')) {
 534                 c = g_utf8_get_char (current);
 535                 next_current = g_utf8_next_char (current);
 536                 if (next_current && *next_current != '\0')
 537                         next_c = g_utf8_get_char (g_utf8_next_char (current));
 538                 else
 539                         next_c = 0;
 540                 if (!quoted && ((c == g_utf8_get_char(",") || c == g_utf8_get_char (";")))) {
 541                         if ((next_c != 0) && (next_c != g_utf8_get_char ("\n")))
 542                                 return FALSE;
 543                         else {
 544                           current = g_utf8_next_char (next_current);
 545                           continue;
 546                         }
 547                 }
 548                 if (c == 0x2022 || c == 0xfffc ||
 549                     c == g_utf8_get_char ("\n") ||
 550                     c == g_utf8_get_char ("\t"))
 551                         return FALSE;
 552                 if (c == g_utf8_get_char ("\""))
 553                         quoted = !quoted;
 554                 current = g_utf8_next_char (current);
 555                 i = current - text;
 556         }
 557         return TRUE;
 558 }
 559
 560 static gchar *
 561 create_valid_text (const gchar *text, gint len)
 562 {
 563         gunichar c;
 564         gunichar next_c;
 565         gint i= 0;
 566         GString *str;
 567         gboolean quoted = FALSE;
 568         const gchar *current, *next_current;
 569
 570         if (text == NULL)
 571                 return NULL;
 572
 573         str = g_string_new ("");
 574         current = text;
 575
 576         while (((len == -1)||(i < len)) && (*current != '\0')) {
 577                 c = g_utf8_get_char (current);
 578                 next_current = g_utf8_next_char (current);
 579                 if (next_current && *next_current != '\0')
 580                         next_c = g_utf8_get_char (g_utf8_next_char (current));
 581                 else
 582                         next_c = 0;
 583                 if (c != 0x2022 && c != 0xfffc &&
 584                     c != g_utf8_get_char ("\n") &&
 585                     c != g_utf8_get_char ("\t"))
 586                         str = g_string_append_unichar (str, c);
 587                 if (!quoted && ((c == g_utf8_get_char(",") || c == g_utf8_get_char (";")))) {
 588                         if ((next_c != 0) && (next_c != g_utf8_get_char ("\n")))
 589                                 str = g_string_append_c (str, '\n');
 590                 }
 591                 if (c == g_utf8_get_char ("\""))
 592                         quoted = !quoted;
 593                 current = g_utf8_next_char (current);
 594                 i = current - text;
 595         }
 596         return g_string_free (str, FALSE);
 597 }
 598
 599 static void
 600 modest_recpt_editor_on_insert_text (GtkTextBuffer *buffer,
 601                                     GtkTextIter *location,
 602                                     gchar *text,
 603                                     gint len,
 604                                     ModestRecptEditor *editor)
 605 {
 606         GtkTextIter prev;
 607         gunichar prev_char;
 608         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 609
 610         if (len > 1024)
 611                 len = 1024;
 612
 613         if (!is_valid_insert (text, len)) {
 614                 gchar *new_text = create_valid_text (text, len);
 615                 g_signal_stop_emission_by_name (G_OBJECT (buffer), "insert-text");
 616                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text,
 617                                                  editor);
 618                 gtk_text_buffer_insert (buffer, location, new_text, -1);
 619                 g_signal_handlers_unblock_by_func (buffer,
 620                                                    modest_recpt_editor_on_insert_text,
 621                                                    editor);
 622                 g_free (new_text);
 623                 return;
 624         }
 625
 626         if (iter_has_recipient (location)) {
 627                 gtk_text_buffer_get_end_iter (buffer, location);
 628                 gtk_text_buffer_place_cursor (buffer, location);
 629         }
 630
 631         if (gtk_text_iter_is_start (location))
 632                 return;
 633
 634         if (gtk_text_iter_is_end (location)) {
 635                 prev = *location;
 636                 if (!gtk_text_iter_backward_char (&prev))
 637                         return;
 638                 prev_char = gtk_text_iter_get_char (&prev);
 639                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 640                 if ((prev_char == ';'||prev_char == ',')&&(!quote_opened(location))) {
 641                         GtkTextMark *insert;
 642                         gtk_text_buffer_insert (buffer, location, "\n",-1);
 643                         insert = gtk_text_buffer_get_insert (buffer);
 644                         gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW (priv->text_view), location, 0.0,TRUE, 0.0, 1.0);
 645                 }
 646                 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 647
 648         }
 649
 650 }
 651
 652 static GtkTextTag *
 653 iter_has_recipient (GtkTextIter *iter)
 654 {
 655         GSList *tags, *node;
 656         GtkTextTag *result = NULL;
 657
 658         tags = gtk_text_iter_get_tags (iter);
 659
 660         for (node = tags; node != NULL; node = g_slist_next (node)) {
 661                 GtkTextTag *tag = GTK_TEXT_TAG (node->data);
 662
 663                 if (g_object_get_data (G_OBJECT (tag), "recipient-tag-id")) {
 664                         result = tag;
 665                         break;
 666                 }
 667         }
 668         g_slist_free (tags);
 669         return result;
 670 }
 671
 672 static GtkTextTag *
 673 prev_iter_has_recipient (GtkTextIter *iter)
 674 {
 675         GtkTextIter prev;
 676
 677         prev = *iter;
 678         gtk_text_iter_backward_char (&prev);
 679         return iter_has_recipient (&prev);
 680 }
 681
 682 /* static GtkTextTag * */
 683 /* next_iter_has_recipient (GtkTextIter *iter) */
 684 /* { */
 685 /*      GtkTextIter next; */
 686
 687 /*      next = *iter; */
 688 /*      return iter_has_recipient (&next); */
 689 /* } */
 690
 691 static gunichar
 692 iter_previous_char (GtkTextIter *iter)
 693 {
 694         GtkTextIter prev;
 695
 696         prev = *iter;
 697         gtk_text_iter_backward_char (&prev);
 698         return gtk_text_iter_get_char (&prev);
 699 }
 700
 701 /* static gunichar  */
 702 /* iter_next_char (GtkTextIter *iter) */
 703 /* { */
 704 /*      GtkTextIter next; */
 705
 706 /*      next = *iter; */
 707 /*      gtk_text_iter_forward_char (&next); */
 708 /*      return gtk_text_iter_get_char (&next); */
 709 /* } */
 710
 711 static void
 712 select_tag_of_iter (GtkTextIter *iter, GtkTextTag *tag)
 713 {
 714         GtkTextIter start, end;
 715
 716         start = *iter;
 717         if (!gtk_text_iter_begins_tag (&start, tag))
 718                 gtk_text_iter_backward_to_tag_toggle (&start, tag);
 719         end = *iter;
 720         if (!gtk_text_iter_ends_tag (&end, tag))
 721                 gtk_text_iter_forward_to_tag_toggle (&end, tag);
 722         gtk_text_buffer_select_range (gtk_text_iter_get_buffer (iter), &start, &end);
 723 }
 724
 725 static gboolean
 726 quote_opened (GtkTextIter *iter)
 727 {
 728         GtkTextIter start;
 729         GtkTextBuffer *buffer;
 730         gboolean opened = FALSE;
 731
 732         buffer = gtk_text_iter_get_buffer (iter);
 733         gtk_text_buffer_get_start_iter (buffer, &start);
 734
 735         while (!gtk_text_iter_equal (&start, iter)) {
 736                 gunichar current_char = gtk_text_iter_get_char (&start);
 737                 if (current_char == '"')
 738                         opened = !opened;
 739                 else if (current_char == '\\')
 740                         gtk_text_iter_forward_char (&start);
 741                 if (!gtk_text_iter_equal (&start, iter))
 742                         gtk_text_iter_forward_char (&start);
 743
 744         }
 745         return opened;
 746
 747 }
 748
 749
 750 static gboolean
 751 modest_recpt_editor_on_key_press_event (GtkTextView *text_view,
 752                                           GdkEventKey *key,
 753                                           ModestRecptEditor *editor)
 754 {
 755         GtkTextMark *insert;
 756         GtkTextMark *selection;
 757         GtkTextBuffer * buffer;
 758         GtkTextIter location, selection_loc;
 759         GtkTextTag *tag;
 760
 761 #ifdef MODEST_TOOLKIT_HILDON2
 762         buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (text_view));
 763 #else
 764         buffer = gtk_text_view_get_buffer (text_view);
 765 #endif
 766         insert = gtk_text_buffer_get_insert (buffer);
 767         selection = gtk_text_buffer_get_selection_bound (buffer);
 768
 769         /* cases to cover:
 770          *    * cursor is on resolved recipient:
 771          *        - right should go to first character after the recipient (usually ; or ,)
 772          *        - left should fo to the first character before the recipient
 773          *        - return should run check names on the recipient.
 774          *    * cursor is just after a recipient:
 775          *        - right should go to the next character. If it's a recipient, should select
 776          *          it
 777          *        - left should go to the previous character. If it's a recipient, should go
 778          *          to the first character of the recipient, and select it.
 779          *    * cursor is on arbitrary text:
 780          *        - return should add a ; and go to the next line
 781          *        - left or right standard ones.
 782          *    * cursor is after a \n:
 783          *        - left should go to the character before the \n (as if \n was not a character)
 784          *    * cursor is before a \n:
 785          *        - right should go to the character after the \n
 786          */
 787
 788         gtk_text_buffer_get_iter_at_mark (buffer, &location, insert);
 789         gtk_text_buffer_get_iter_at_mark (buffer, &selection_loc, selection);
 790
 791         switch (key->keyval) {
 792         case GDK_Left:
 793         case GDK_KP_Left:
 794         {
 795                 gboolean cursor_ready = FALSE;
 796                 while (!cursor_ready) {
 797                         if (iter_previous_char (&location) == '\n') {
 798                                 gtk_text_iter_backward_char (&location);
 799                         } else {
 800                                 cursor_ready = TRUE;
 801                         }
 802                 }
 803                 tag = iter_has_recipient (&location);
 804                 if ((tag != NULL)&& (gtk_text_iter_is_start (&location) || !(gtk_text_iter_begins_tag (&location, tag)))) {
 805                         select_tag_of_iter (&location, tag);
 806                         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 807                         return TRUE;
 808                 }
 809                 gtk_text_iter_backward_char (&location);
 810                 tag = iter_has_recipient (&location);
 811                 if (tag != NULL)
 812                         select_tag_of_iter (&location, tag);
 813                 else {
 814                         gtk_text_buffer_place_cursor (buffer, &location);
 815                 }
 816                 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 817
 818                 return TRUE;
 819         }
 820         break;
 821         case GDK_Right:
 822         case GDK_KP_Right:
 823         {
 824                 gboolean cursor_moved = FALSE;
 825
 826                 tag = iter_has_recipient (&location);
 827                 if ((tag != NULL)&&(!gtk_text_iter_ends_tag (&location, tag))) {
 828                         gtk_text_iter_forward_to_tag_toggle (&location, tag);
 829                         while (gtk_text_iter_get_char (&location) == '\n')
 830                                 gtk_text_iter_forward_char (&location);
 831                         gtk_text_buffer_place_cursor (buffer, &location);
 832                         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 833                         return TRUE;
 834                 }
 835
 836                 while (gtk_text_iter_get_char (&location) == '\n') {
 837                         gtk_text_iter_forward_char (&location);
 838                         cursor_moved = TRUE;
 839                 }
 840                 if (!cursor_moved)
 841                         gtk_text_iter_forward_char (&location);
 842                 while (gtk_text_iter_get_char (&location) == '\n') {
 843                         gtk_text_iter_forward_char (&location);
 844                         cursor_moved = TRUE;
 845                 }
 846
 847                 tag = iter_has_recipient (&location);
 848                 if (tag != NULL)
 849                         select_tag_of_iter (&location, tag);
 850                 else
 851                         gtk_text_buffer_place_cursor (buffer, &location);
 852                 gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (text_view), insert, 0.0, FALSE, 0.0, 1.0);
 853                 return TRUE;
 854         }
 855         break;
 856         case GDK_Return:
 857         case GDK_KP_Enter:
 858         {
 859                 gint insert_offset, selection_offset;
 860                 insert_offset = gtk_text_iter_get_offset (&location);
 861                 selection_offset = gtk_text_iter_get_offset (&selection_loc);
 862                 g_signal_handlers_block_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 863                 if (selection_offset > insert_offset)
 864                         location = selection_loc;
 865                 tag = iter_has_recipient (&location);
 866                 if (tag != NULL) {
 867                         gtk_text_buffer_get_end_iter (buffer, &location);
 868                         gtk_text_buffer_place_cursor (buffer, &location);
 869                         if ((iter_previous_char (&location) != ';')&&(iter_previous_char (&location) != ','))
 870                                 gtk_text_buffer_insert_at_cursor (buffer, ";", -1);
 871                         gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
 872                 } else {
 873                         gunichar prev_char = iter_previous_char (&location);
 874                         if ((gtk_text_iter_is_start (&location))||(prev_char == '\n')
 875                             ||(prev_char == ';')||(prev_char == ','))
 876                                 g_signal_emit_by_name (G_OBJECT (editor), "open-addressbook");
 877                         else {
 878                                 if ((prev_char != ';') && (prev_char != ','))
 879                                         gtk_text_buffer_insert_at_cursor (buffer, ";", -1);
 880                                 gtk_text_buffer_insert_at_cursor (buffer, "\n", -1);
 881                         }
 882                 }
 883                 g_signal_handlers_unblock_by_func (buffer, modest_recpt_editor_on_insert_text, editor);
 884                 return TRUE;
 885         }
 886         break;
 887         case GDK_BackSpace:
 888         {
 889                 #if GTK_CHECK_VERSION(2, 10, 0) /* gtk_text_buffer_get_has_selection is only available in GTK+ 2.10 */
 890                 if (gtk_text_buffer_get_has_selection (buffer)) {
 891                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 892                         return TRUE;
 893                 }
 894                 #else
 895                 if (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL)) {
 896                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 897                         return TRUE;
 898                 }
 899                 #endif
 900
 901                 tag = prev_iter_has_recipient (&location);
 902                 if (tag != NULL) {
 903                         GtkTextIter iter_in_tag;
 904                         iter_in_tag = location;
 905                         gtk_text_iter_backward_char (&iter_in_tag);
 906                         select_tag_of_iter (&iter_in_tag, tag);
 907                         gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
 908                         return TRUE;
 909                 }
 910                 return FALSE;
 911         }
 912         break;
 913         default:
 914                 return FALSE;
 915         }
 916 }
 917
 918 static void
 919 modest_recpt_editor_move_cursor_to_end (ModestRecptEditor *editor)
 920 {
 921         ModestRecptEditorPrivate *priv = MODEST_RECPT_EDITOR_GET_PRIVATE (editor);
 922 #ifdef MODEST_TOOLKIT_HILDON2
 923         GtkTextBuffer *buffer = hildon_text_view_get_buffer (HILDON_TEXT_VIEW (priv->text_view));
 924 #else
 925         GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
 926 #endif
 927         GtkTextIter start, end;
 928
 929         gtk_text_buffer_get_end_iter (buffer, &start);
 930         end = start;
 931         gtk_text_buffer_select_range (buffer, &start, &end);
 932
 933
 934 }
 935
 936 void
 937 modest_recpt_editor_grab_focus (ModestRecptEditor *recpt_editor)
 938 {
 939         ModestRecptEditorPrivate *priv;
 940
 941         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
 942         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 943
 944         if (GTK_WIDGET_VISIBLE (recpt_editor)) {
 945                 gtk_widget_grab_focus (priv->text_view);
 946         }
 947 }
 948
 949 gboolean
 950 modest_recpt_editor_has_focus (ModestRecptEditor *recpt_editor)
 951 {
 952         ModestRecptEditorPrivate *priv;
 953
 954         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), FALSE);
 955         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (recpt_editor);
 956
 957         return GTK_WIDGET_VISIBLE (priv->text_view) &&
 958                 gtk_widget_is_focus (priv->text_view);
 959 }
 960
 961 static void
 962 modest_recpt_editor_finalize (GObject *object)
 963 {
 964         ModestRecptEditorPrivate *priv;
 965         priv = MODEST_RECPT_EDITOR_GET_PRIVATE (object);
 966
 967         if (priv->recipients) {
 968                 g_free (priv->recipients);
 969                 priv->recipients = NULL;
 970         }
 971
 972         (*parent_class->finalize) (object);
 973
 974         return;
 975 }
 976
 977 static void
 978 modest_recpt_editor_class_init (ModestRecptEditorClass *klass)
 979 {
 980         GObjectClass *object_class;
 981         GtkWidgetClass *widget_class;
 982
 983         parent_class = g_type_class_peek_parent (klass);
 984         object_class = (GObjectClass*) klass;
 985         widget_class = GTK_WIDGET_CLASS (klass);
 986
 987         object_class->finalize = modest_recpt_editor_finalize;
 988
 989         g_type_class_add_private (object_class, sizeof (ModestRecptEditorPrivate));
 990
 991         signals[OPEN_ADDRESSBOOK_SIGNAL] =
 992                 g_signal_new ("open-addressbook",
 993                               G_TYPE_FROM_CLASS (object_class),
 994                               G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
 995                               G_STRUCT_OFFSET (ModestRecptEditorClass, open_addressbook),
 996                               NULL, NULL,
 997                               g_cclosure_marshal_VOID__VOID,
 998                               G_TYPE_NONE, 0);
 999
1000         return;
1001 }
1002
1003 GType
1004 modest_recpt_editor_get_type (void)
1005 {
1006         static GType type = 0;
1007
1008         if (G_UNLIKELY(type == 0))
1009         {
1010                 static const GTypeInfo info =
1011                 {
1012                   sizeof (ModestRecptEditorClass),
1013                   NULL,   /* base_init */
1014                   NULL,   /* base_finalize */
1015                   (GClassInitFunc) modest_recpt_editor_class_init,   /* class_init */
1016                   NULL,   /* class_finalize */
1017                   NULL,   /* class_data */
1018                   sizeof (ModestRecptEditor),
1019                   0,      /* n_preallocs */
1020                   modest_recpt_editor_instance_init    /* instance_init */
1021                 };
1022
1023                 type = g_type_register_static (GTK_TYPE_HBOX,
1024                         "ModestRecptEditor",
1025                         &info, 0);
1026
1027         }
1028
1029         return type;
1030 }